try {
connection = isolConnection.getIsolatedConnection(user, password);
statement = connection.createStatement();
statement.executeUpdate("drop table if exists " + tbl_name1);
statement.executeUpdate("drop table if exists " + tbl_name2);
statement.executeUpdate("create table " + tbl_name1 + " (" +
col_name1 + " int)");
statement.executeUpdate("create table " + tbl_name2 + " (" +
col_name2 + " int)");
} catch (com.sun.star.sdbc.SQLException e) {
try {